+
+ * sim-main.h (MAX_INSNS, INSN_NAME): Define.
+
+ * interp.c (load_memory, store_memory): Delete parameter RAW.
+ (sim_read, sim_write): Use sim_core_{read,write}_buffer directly
+ bypassing {load,store}_memory.
+
+ * sim-main.h (ByteSwapMem): Delete definition.
+
+ * Makefile.in (SIM_OBJS): Add sim-memopt module.
+
+ * interp.c (sim_do_command, sim_commands): Delete mips specific
+ commands. Handled by module sim-options.
+
+ * sim-main.h (SIM_HAVE_FLATMEM): Undefine, use sim-core.o module.
+ (WITH_MODULO_MEMORY): Define.
+
+ * interp.c (sim_info): Delete code printing memory size.
+
+ * interp.c (mips_size): Nee sim_size, delete function.
+ (power2): Delete.
+ (monitor, monitor_base, monitor_size): Delete global variables.
+ (sim_open, sim_close): Delete code creating monitor and other
+ memory regions. Use sim-memopts module, via sim_do_commandf, to
+ manage memory regions.
+ (load_memory, store_memory): Use sim-core for memory model.
+
+ * interp.c (address_translation): Delete all memory map code
+ except line forcing 32 bit addresses.
+
+
+ * sim-main.h (WITH_TRACE): Delete definition. Enables common
+ trace options.
+
+ * interp.c (logfh, logfile): Delete globals.
+ (sim_open, sim_close): Delete code opening & closing log file.
+ (mips_option_handler): Delete -l and -n options.
+ (OPTION mips_options): Ditto.
+
+ * interp.c (OPTION mips_options): Rename option trace to dinero.
+ (mips_option_handler): Update.
+
+
+ * interp.c (fetch_str): New function.
+ (sim_monitor): Rewrite using sim_read & sim_write.
+ (sim_open): Check magic number.
+ (sim_open): Write monitor vectors into memory using sim_write.
+ (MONITOR_BASE, MONITOR_SIZE, MEM_SIZE): Define.
+ (sim_read, sim_write): Simplify - transfer data one byte at a
+ time.
+ (load_memory, store_memory): Clarify meaning of parameter RAW.
+
+ * sim-main.h (isHOST): Defete definition.
+ (isTARGET): Mark as depreciated.
+ (address_translation): Delete parameter HOST.
+
+ * interp.c (address_translation): Delete parameter HOST.
+
+start-sanitize-tx49
+
+ * gencode.c: Add tx49 configury and insns.
+ * configure.in: Add tx49 configury.
+ * configure: Update.
+
+end-sanitize-tx49
+
+ * mips.igen:
+
+ * Makefile.in (IGEN_INCLUDE): Files included by mips.igen.
+ (tmp-igen, tmp-m16): Depend on IGEN_INCLUDE.
+
+
+ * mips.igen: Add model filter field to records.
+
+
+ * Makefile.in (SIM_NO_CFLAGS): Define. Define WITH_IGEN=0.
+
+ interp.c (sim_engine_run): Do not compile function sim_engine_run
+ when WITH_IGEN == 1.
+
+ * configure.in (sim_igen_flags, sim_m16_flags): Set according to
+ target architecture.
+
+ Makefile.in (tmp-igen, tmp-m16): Drop -F and -M options to
+ igen. Replace with configuration variables sim_igen_flags /
+ sim_m16_flags.
+
+ end-sanitize-v5900
+ * r5900.igen: New file. Copy v5900 insns here.
+ start-sanitize-r5900
+ end-sanitize-v5400
+ * vr5400.igen: New file.
+ start-sanitize-vr5400
+ * m16.igen: New file. Copy mips16 insns here.
+ * mips.igen: From here.
+
+
+ start-sanitize-vr5400
+ * mips.igen: Tag all mipsIV instructions with vr5400 model.
+
+ * configure.in: Add mips64vr5400 target.
+ * configure: Re-generate.
+
+ end-sanitize-vr5400
+ * Makefile.in (SIM_NO_OBJ): Define, move SIM_M16_OBJ, SIM_IGEN_OBJ
+ to top.
+ (tmp-igen, tmp-m16): Pass -I srcdir to igen.
+
+
+ * gencode.c (build_instruction): Follow sim_write's lead in using
+ BigEndianMem instead of !ByteSwapMem.
+
+
+ * configure.in (sim_gen): Dependent on target, select type of
+ generator. Always select old style generator.
+
+ configure: Re-generate.
+
+ Makefile.in (tmp-igen, tmp-m16, clean-m16, clean-igen): New
+ targets.
+ (SIM_M16_CFLAGS, SIM_M16_ALL, SIM_M16_OBJ, BUILT_SRC_FROM_M16,
+ SIM_IGEN_CFLAGS, SIM_IGEN_ALL, SIM_IGEN_OBJ, BUILT_SRC_FROM_IGEN,
+ IGEN_TRACE, IGEN_INSN, IGEN_DC): Define
+ (SIM_EXTRA_CFLAGS, SIM_EXTRA_ALL, SIM_OBJS): Add member
+ SIM_@sim_gen@_*, set by autoconf.
+
+
+ * sim-main.h (NULLIFY_NEXT_INSTRUCTION, DELAY_SLOT): Define.
+
+ * interp.c (ColdReset): Remove #ifdef HASFPU, check
+ CURRENT_FLOATING_POINT instead.
+
+ * interp.c (ifetch32): New function. Fetch 32 bit instruction.
+ (address_translation): Raise exception InstructionFetch when
+ translation fails and isINSTRUCTION.
+
+ * interp.c (sim_open, sim_write, sim_monitor, store_word,
+ sim_engine_run): Change type of of vaddr and paddr to
+ address_word.
+ (address_translation, prefetch, load_memory, store_memory,
+ cache_op): Change type of vAddr and pAddr to address_word.
+
+ * gencode.c (build_instruction): Change type of vaddr and paddr to
+ address_word.
+
+
+ * sim-main.h (ALU64_END, ALU32_END): Use ALU*_OVERFLOW_RESULT
+ macro to obtain result of ALU op.
+
+
+ * interp.c (sim_info): Call profile_print.
+
+
+ * Makefile.in (SIM_OBJS): Add sim-profile.o module.
+
+ * sim-main.h (WITH_PROFILE): Do not define, defined in
+ common/sim-config.h. Use sim-profile module.
+ (simPROFILE): Delete defintion.
+
+ * interp.c (PROFILE): Delete definition.
+ (mips_option_handler): Delete 'p', 'y' and 'x' profile options.
+ (sim_close): Delete code writing profile histogram.
+ (mips_set_profile, mips_set_profile_size, writeout16, writeout32):
+ Delete.
+ (sim_engine_run): Delete code profiling the PC.
+
+
+ * sim-main.h (SIGNEXTEND): Force type of result to unsigned_word.
+
+ * interp.c (sim_monitor): Make register pointers of type
+ unsigned_word*.
+
+ * sim-main.h: Make registers of type unsigned_word not
+ signed_word.
+
+
+start-sanitize-r5900
+ * sim-main.h (BYTES_IN_MMI_REGS, ..., SUB_REG_FETCH, ..., GPR_SB,
+ ...): Move to sim-main.h
+
+end-sanitize-r5900
+ * interp.c (sync_operation): Rename from SyncOperation, make
+ global, add SD argument.
+ (prefetch): Rename from Prefetch, make global, add SD argument.
+ (decode_coproc): Make global.
+
+ * sim-main.h (SyncOperation, DecodeCoproc, Pefetch): Define.
+
+ * gencode.c (build_instruction): Generate DecodeCoproc not
+ decode_coproc calls.
+
+ * interp.c (SETFCC, GETFCC, PREVCOC1): Move to sim-main.h
+ (SizeFGR): Move to sim-main.h
+ (simHALTEX, simHALTIN, simTRACE, simPROFILE, simDELAYSLOT,
+ simSIGINT, simJALDELAYSLOT): Move to sim-main.h
+ (FP_FLAGS, FP_ENABLE, FP_CAUSE, IR, UF, OF, DZ, IO, UO): Move to
+ sim-main.h.
+ (FP_FS, FP_MASK_RM, FP_SH_RM, FP_RM_NEAREST, FP_RM_TOPINF,
+ FP_RM_TOMINF, GETRM): Move to sim-main.h.
+ (Uncached, CachedNoncoherent, CachedCoherent, Cached,
+ isINSTRUCTION, ..., AccessLength_BYTE, ...): Move to sim-main.h.
+ (UserMode, BigEndianMem, ByteSwapMem, ReverseEndian,
+ BigEndianCPU, status_KSU_mask, ...). Moved to sim-main.h
+
+ * sim-main.h (ALU32_END, ALU64_END): Define. When overflow raise
+ exception.
+ (sim-alu.h): Include.
+ (NULLIFY_NIA, NULL_CIA, CPU_CIA): Define.
+ (sim_cia): Typedef to instruction_address.
+
+
+ * Makefile.in (interp.o): Rename generated file engine.c to
+ oengine.c.
+
+ * interp.c: Update.
+
+
+ * gencode.c (build_instruction): Use FPR_STATE not fpr_state.
+
+
+ * gencode.c (build_instruction): For "FPSQRT", output correct
+ number of arguments to Recip.
+
+
+ * Makefile.in (interp.o): Depends on sim-main.h
+
+ * interp.c (mips16_entry, ColdReset,dotrace): Add SD argument. Use GPR not registers.
+
+ * sim-main.h (sim_cpu): Add registers, register_widths, fpr_state,
+ ipc, dspc, pending_*, hiaccess, loaccess, state, dsstate fields.
+ (REGISTERS, REGISTER_WIDTHS, FPR_STATE, IPC, DSPC, PENDING_*,
+ STATE, DSSTATE): Define
+ (GPR, FGRIDX, ..): Define.
+
+ * interp.c (registers, register_widths, fpr_state, ipc, dspc,
+ pending_*, hiaccess, loaccess, state, dsstate): Delete globals.
+ (GPR, FGRIDX, ...): Delete macros.
+
+ * interp.c: Update names to match defines from sim-main.h
+
+
+ * interp.c (sim_monitor): Add SD argument.
+ (sim_warning): Delete. Replace calls with calls to
+ sim_io_eprintf.
+ (sim_error): Delete. Replace calls with sim_io_error.
+ (open_trace, writeout32, writeout16, getnum): Add SD argument.
+ (mips_set_profile): Rename from sim_set_profile. Add SD argument.
+ (mips_set_profile_size): Rename from sim_set_profile_size. Add SD
+ argument.
+ (mips_size): Rename from sim_size. Add SD argument.
+
+ * interp.c (simulator): Delete global variable.
+ (callback): Delete global variable.
+ (mips_option_handler, sim_open, sim_write, sim_read,
+ sim_store_register, sim_fetch_register, sim_info, sim_do_command,
+ sim_size,sim_monitor): Use sim_io_* not callback->*.
+ (sim_open): ZALLOC simulator struct.
+ (PROFILE): Do not define.
+
+
+ * interp.c (sim_open), support.h: Replace CHECKSIM macro found in
+ support.h with corresponding code.
+
+ * sim-main.h (word64, uword64), support.h: Move definition to
+ sim-main.h.
+ (WORD64LO, WORD64HI, SET64LO, SET64HI, WORD64, UWORD64): Ditto.
+
+ * support.h: Delete
+ * Makefile.in: Update dependencies
+ * interp.c: Do not include.
+
+
+ * interp.c (address_translation, load_memory, store_memory,
+ cache_op): Rename to from AddressTranslation et.al., make global,
+ add SD argument
+
+ * sim-main.h (AddressTranslation, LoadMemory, StoreMemory,
+ CacheOp): Define.
+
+ * interp.c (SignalException): Rename to signal_exception, make
+ global.
+
+ * interp.c (Interrupt, ...): Move definitions to sim-main.h.
+
+ * sim-main.h (SignalException, SignalExceptionInterrupt,
+ SignalExceptionInstructionFetch, SignalExceptionAddressStore,
+ SignalExceptionAddressLoad, SignalExceptionSimulatorFault,
+ SignalExceptionIntegerOverflow, SignalExceptionCoProcessorUnusable):
+ Define.
+
+ * interp.c, support.h: Use.
+
+
+ * interp.c (ValueFPR, StoreFPR), sim-main.h: Make global, rename
+ to value_fpr / store_fpr. Add SD argument.
+ (NaN, Infinity, Less, Equal, AbsoluteValue, Negate, Add, Sub,
+ Multiply, Divide, Recip, SquareRoot, Convert): Make global.
+
+ * sim-main.h (ValueFPR, StoreFPR): Define.
+
+
+ * interp.c (sim_engine_run): Check consistency between configure
+ WITH_TARGET_WORD_BITSIZE and WITH_FLOATING_POINT and gensim GPRLEN
+ and HASFPU.
+
+ * configure.in (mips_bitsize): Configure WITH_TARGET_WORD_BITSIZE.
+ (mips_fpu): Configure WITH_FLOATING_POINT.
+ (mips_endian): Configure WITH_TARGET_ENDIAN.
+ * configure: Update.
+
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+start-sanitize-r5900
+
+ * interp.c (MAX_REG): Allow up-to 128 registers.
+ (LO1, HI1): Define value that matches REGISTER_NAMES in gdb.
+ (REGISTER_SA): Ditto.
+ (sim_open): Initialize register_widths for r5900 specific
+ registers.
+ (sim_fetch_register, sim_store_register): Check for request of
+ r5900 specific SA register. Check for request for hi 64 bits of
+ r5900 specific registers.
+
+end-sanitize-r5900
+
+ * configure: Regenerated.
+
+
+ * interp.c: Allow Debug, DEPC, and EPC registers to be examined in GDB.
+
+
+ * gencode.c (print_igen_insn_models): Assume certain architectures
+ include all mips* instructions.
+ (print_igen_insn_format): Use data_size==-1 as marker for MIPS16
+ instruction.
+
+ * Makefile.in (tmp.igen): Add target. Generate igen input from
+ gencode file.
+
+ * gencode.c (FEATURE_IGEN): Define.
+ (main): Add --igen option. Generate output in igen format.
+ (process_instructions): Format output according to igen option.
+ (print_igen_insn_format): New function.
+ (print_igen_insn_models): New function.
+ (process_instructions): Only issue warnings and ignore
+ instructions when no FEATURE_IGEN.
+
+
+ * interp.c (COP_SD, COP_LD): Add UNUSED to pacify GCC for some
+ MIPS targets.
+
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+
+ * Makefile.in (SIM_ALIGNMENT, SIM_ENDIAN, SIM_HOSTENDIAN,
+ SIM_RESERVED_BITS): Delete, moved to common.
+ (SIM_EXTRA_CFLAGS): Update.
+
+
+ * configure.in: Configure non-strict memory alignment.
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+
+ * gencode.c (SDBBP,DERET): Added (3900) insns.
+ (RFE): Turn on for 3900.
+ * interp.c (DebugBreakPoint,DEPC,Debug,Debug_*): Added.
+ (dsstate): Made global.
+ (SUBTARGET_R3900): Added.
+ (CANCELDELAYSLOT): New.
+ (SignalException): Ignore SystemCall rather than ignore and
+ terminate. Add DebugBreakPoint handling.
+ (decode_coproc): New insns RFE, DERET; and new registers Debug
+ and DEPC protected by SUBTARGET_R3900.
+ (sim_engine_run): Use CANCELDELAYSLOT rather than clearing
+ bits explicitly.
+ * Makefile.in,configure.in: Add mips subtarget option.
+ * configure: Update.
+
+
+ * gencode.c: Add r3900 (tx39).
+
+start-sanitize-tx19
+ * gencode.c: Fix some configuration problems by improving
+ the relationship between tx19 and tx39.
+end-sanitize-tx19
+
+
+ * gencode.c (build_instruction): Don't need to subtract 4 for
+ JALR, just 2.
+
+
+ * interp.c: Correct some HASFPU problems.
+
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+
+ * interp.c (mips_options): Fix samples option short form, should
+ be `x'.
+
+
+ * interp.c (sim_info): Enable info code. Was just returning.
+
+
+ * interp.c (decode_coproc): Clarify warning about unsuported MTC0,
+ MFC0.
+
+
+ * gencode.c (build_instruction): Use SIGNED64 for 64 bit
+ constants.
+ (build_instruction): Ditto for LL.
+
+start-sanitize-tx19
+
+ * mips/configure.in, mips/gencode: Add tx19/r1900.
+
+end-sanitize-tx19
+Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+
+start-sanitize-r5900
+
+ * gencode.c (build_instruction): For "pabsw" and "pabsh", check
+ for overflow due to ABS of MININT, set result to MAXINT.
+ (build_instruction): For "psrlvw", signextend bit 31.
+
+end-sanitize-r5900
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+ * config.in: Ditto.
+
+
+ * interp.c (sim_open): Add call to sim_analyze_program, update
+ call to sim_config.
+
+
+ * interp.c (sim_kill): Delete.
+ (sim_create_inferior): Add ABFD argument. Set PC from same.
+ (sim_load): Move code initializing trap handlers from here.
+ (sim_open): To here.
+ (sim_load): Delete, use sim-hload.c.
+
+ * Makefile.in (SIM_OBJS): Add sim-hload.o module.
+
+
+ * configure: Regenerated to track ../common/aclocal.m4 changes.
+ * config.in: Ditto.
+
+
+ * interp.c (sim_open): Add ABFD argument.
+ (sim_load): Move call to sim_config from here.
+ (sim_open): To here. Check return status.
+
+start-sanitize-r5900
+ * gencode.c (build_instruction): Do not define x8000000000000000,
+ x7FFFFFFFFFFFFFFF, or xFFFFFFFF80000000.
+
+end-sanitize-r5900
+start-sanitize-r5900
+
+ * gencode.c (build_instruction): For "pdivw", "pdivbw" and
+ "pdivuw" check for overflow due to signed divide by -1.
+
+end-sanitize-r5900
* gencode.c (build_instruction): Two arg MADD should
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